<template>
    <!-- 导入对话框 -->
    <el-dialog :title="upload.title" v-model="upload.open" width="400px" append-to-body>
      <el-upload ref="uploadRef" :limit="1" accept=".xlsx, .xls" :headers="upload.headers" :action="upload.url + '?updateSupport=' + upload.updateSupport" :disabled="upload.isUploading" :on-progress="handleFileUploadProgress" :on-success="handleFileSuccess" :auto-upload="false" drag>
        <el-icon class="el-icon--upload"><upload-filled /></el-icon>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <template #tip>
          <div class="el-upload__tip text-center">
            <div class="el-upload__tip">
              <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的数据
            </div>
            <span>仅允许导入xls、xlsx格式文件。</span>
            <el-link type="primary" :underline="false" style="font-size: 12px; vertical-align: baseline" @click="importTemplate">下载模板</el-link>
          </div>
        </template>
      </el-upload>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitFileForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
</template>

<script setup name="ImportForm">
import { getToken } from "@/utils/auth";
const { proxy } = getCurrentInstance();
const { dev_model_type, ext_status } = proxy.useDict('dev_model_type', 'ext_status');

const props = defineProps({
  formData: {
    type: Object
  }
});

const emit = defineEmits(['submit', 'close'])

const baseUrl = import.meta.env.VITE_APP_BASE_API + "/dev/data/importData/";

/*** 用户导入参数 */
const upload = ref({
  // 是否显示弹出层（用户导入）
  open: false,
  // 弹出层标题（用户导入）
  title: "",
  // 是否禁用上传
  isUploading: false,
  // 是否更新已经存在的用户数据
  updateSupport: 0,
  // 设置上传的请求头部
  headers: { Authorization: "Bearer " + getToken() },
  // 上传的地址
  url: baseUrl
});


watch(() => props.formData, val => {  
  if(val == null){
    upload.value.open = false;
    upload.value.updateSupport = 0;
  }else if(val.formAction == 'import'){
      upload.value.url = baseUrl+val.formModel;
      upload.value.title = val.formTitle;
      upload.value.open = true;
  }else{
      upload.value.open = false;
      upload.value.updateSupport = 0;
  }
  
},{ deep: true, immediate: true });


// 取消按钮
function cancel() {
  open.value = false;  
   emit('close');
}


/** 下载模板操作 */
function importTemplate() {
    let modelCode = props.formData.formModel;
  proxy.download("dev/data/importTemplate/"+modelCode, {
  }, `${modelCode}_template_${new Date().getTime()}.xlsx`);
};

/**文件上传中处理 */
const handleFileUploadProgress = (event, file, fileList) => {
  upload.isUploading = true;
};

/** 文件上传成功处理 */
const handleFileSuccess = (response, file, fileList) => {
  upload.open = false;
  upload.isUploading = false;
  proxy.$refs["uploadRef"].handleRemove(file);
  proxy.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", { dangerouslyUseHTMLString: true });
   emit('submit');
};

/** 提交上传文件 */
function submitFileForm() {
  proxy.$refs["uploadRef"].submit();
};

</script>
